MARKUS

        public static BitmapImage GetDownloadImage(string uri)

        {

            return GetDownloadImage(new Uri(uri));

        }

        public static BitmapImage GetDownloadImage(Uri uri)

        {

            BitmapImage resultImage = new BitmapImage();

            resultImage.BeginInit();

            resultImage.CacheOption = BitmapCacheOption.OnLoad;

            resultImage.UriCachePolicy = new System.Net.Cache.RequestCachePolicy(System.Net.Cache.RequestCacheLevel.Default);

            resultImage.UriSource = uri;

            resultImage.EndInit();

            resultImage.DownloadProgress += (ex, arg) =>

            {

                System.Diagnostics.Debug.WriteLine($"download Image : {arg.Progress}%");

            };

            while (resultImage.IsDownloading)

            {

                System.Windows.Forms.Application.DoEvents(); //Method from thread linked above

                System.Diagnostics.Debug.WriteLine("doEvent");

            }

            resultImage.Freeze();

            return resultImage;

        }